From: Alex Deucher <alexander.deucher@amd.com>
Date: Fri, 1 Feb 2013 16:32:42 +0000 (+0100)
Subject: drm/radeon: use IBs for VM page table updates v2
X-Git-Tag: v3.9-rc1~83^2~31^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=43f1214aa094e46efdfc0255d9601be0e5ea0f62;p=pandora-kernel.git

drm/radeon: use IBs for VM page table updates v2

For very large page table updates, we can exceed the
size of the ring.  To avoid this, use an IB to perform
the page table update.

v2(ck): cleanup the IB infrastructure and the use it instead
        of filling the struct ourself.

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Christian König <christian.koenig@amd.com>
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